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What would the I/O access be like as I plug many USB drives into a Linux system with only 2 USB 2.0 ports and 1 USB 3.0 port? I expect I will have to have multiple levels of fan-out by plugging hubs into hubs to maximize the number of devices on each USB port.

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Can the topic be edited to use the correct term "USB Hub" instead of "port replicator"? –  psusi Jul 12 '11 at 15:01
    
@psusi edited, thx for the suggestion –  130490868091234 Jul 12 '11 at 15:02
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up vote 2 down vote accepted

All of the IO to all of the drives still has to squeeze through the single USB port, so if you are trying to access them at the same time, then the performance will be poor. If you are only accessing one at a time, then it will be no different just because there are other drives connected, but not being accessed at the time.

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